lines style
waterway=dam & highway=* [0x2b default_name="dam" resolution 23 continue with_actions] same as bridge
waterway=dam & highway!=* [0x10 default_name="dam" resolution 23 continue with_actions] small grey line

polygons style
waterway=dam & area=yes [0x0e default_name="dam" resolution 23] grey area on the map

To remove some errors and junk in the code, junction=roundabout is not longer
treated as "roundabout". Cyclelanes and forbidden lanes on roundabouts are now rendered.
However, navigation no longer displays a message/voice saying "take 3rd right on the roundabout".